1 files changed, 23 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/coverage/off-thread-01.js b/js/src/jit-test/tests/coverage/off-thread-01.js
new file mode 100644
index 0000000000..ab9172cf92
--- /dev/null
+++ b/js/src/jit-test/tests/coverage/off-thread-01.js
@@ -0,0 +1,23 @@
+// |jit-test| --code-coverage; --no-ion; skip-if: helperThreadCount() === 0
+
+assertEq(isLcovEnabled(), true);
+
+offThreadCompileToStencil(`
+    let hitCount = 0;
+    function offThreadFun() {
+        hitCount += 1;
+    }
+
+    offThreadFun();
+    offThreadFun();
+    offThreadFun();
+    offThreadFun();
+`);
+var stencil = finishOffThreadStencil();
+evalStencil(stencil);
+assertEq(hitCount, 4);
+
+let report = getLcovInfo();
+
+const expected = "FNDA:4,offThreadFun";
+assertEq(report.includes(expected), true);